// Copyright 2024 Vadim Kharitonovich
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package server_test

import (
	"net"
	"testing"

	"github.com/alitto/pond"
)

func BenchmarkUDPRequestResponseRaw(b *testing.B) {
	c, err := net.Dial("udp", "127.0.0.1:2222")
	if err != nil {
		b.Fatalf(err.Error())
	}

	defer c.Close()

	buf := make([]byte, 512)

	for i := 0; i < b.N; i++ {
		_, err := c.Write([]byte{1, 0, 0, 2})
		if err != nil {
			b.Fatalf(err.Error())
		}

		_, err = c.Read(buf)
		if err != nil {
			b.Fatalf(err.Error())
		}
	}
}

func BenchmarkUDPRequestResponse20ConcurrencyRaw(b *testing.B) {
	c, err := net.Dial("udp", "127.0.0.1:2222")
	if err != nil {
		b.Fatalf(err.Error())
	}

	defer c.Close()

	var (
		buf = make([]byte, 512)
	)

	pool := pond.New(20, 0)
	g := pool.Group()

	for i := 0; i < b.N; i++ {
		g.Submit(func() {
			_, err := c.Write([]byte{1, 0, 0, 2})
			if err != nil {
				b.Fatalf(err.Error())
			}

			_, err = c.Read(buf)
			if err != nil {
				b.Fatalf(err.Error())
			}
		})
	}

	g.Wait()
}
